public class EX34 {
	public static void main(String[] args) {
		int[][] arr = new int[5][];
		arr[0] = new int[1];
		arr[1] = new int[2];
		arr[2] = new int[3];
		arr[3] = new int[4];
		arr[4] = new int[5];
		
		for(int i=0; i<arr.length; i++) {
			for(int j=0; j<arr[i].length; j++) {
				System.out.print('*');
			}
			System.out.println();
		}
		
	}
}